Yvonne Catharina Maria Theresia van Rooy (born 4 June 1951) is a retired Dutch politician and diplomat of the Christian Democratic Appeal (CDA) party and businesswoman.

Van Rooy worked as a paralegal for the Christian Employers' association (NCW) from November 1976 until July 1984.

Van Rooy was appointed as State Secretary for Economic Affairs in the Cabinet Lubbers II following the appointment of Enneüs Heerma as State Secretary for Housing, Spatial Planning and the Environment, taking office on 30 October 1986.

After the election of 1994 Van Rooy returned as a Member of the House of Representatives, taking office on 17 May 1994 serving as a frontbencher chairing the parliamentary committee for Kingdom Relations and spokesperson for Social Affairs, Transport and Water Management and Kingdom Relations.

Van Rooy also became active in the private sector and public sector and occupied numerous seats as a corporate director and nonprofit director on several boards of directors and supervisory boards (Philips, NN Group, Concertgebouw, Stichting Pensioenfonds Zorg en Welzijn, Gemeentemuseum Den Haag and the Social and Economic Council) and served on several state commissions and councils on behalf of the government (Advisory Council for Spatial Planning, Center for the Promotion of Imports, Accreditation Council and the Dutch Healthcare Authority).